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  2. Augmented triangular prism - Wikipedia

    en.wikipedia.org/wiki/Augmented_triangular_prism

    The augmented triangular prism can be constructed from a triangular prism by attaching an equilateral square pyramid to one of its square faces, a process known as augmentation. [1] This square pyramid covers the square face of the prism, so the resulting polyhedron has 6 equilateral triangles and 2 squares as its faces. [2] A convex polyhedron in which all faces are regular is Johnson solid ...

  3. Trinovid - Wikipedia

    en.wikipedia.org/wiki/Trinovid

    Trinovid. Trinovid is the protected model designation of a roof prism binoculars series from the company Leitz (optics) (since 1986 Leica Camera) based in Wetzlar, a German centre for optics as well as an important location for the precision engineering industry. The Trinovid binoculars were introduced in 1958 based on a patent request filed in ...

  4. Icosahedral prism - Wikipedia

    en.wikipedia.org/wiki/Icosahedral_prism

    Icosahedral prism. In geometry, an icosahedral prism is a convex uniform 4-polytope (four-dimensional polytope ). This 4-polytope has 22 polyhedral cells: 2 icosahedra connected by 20 triangular prisms. It has 70 faces: 30 squares and 40 triangles.

  5. Antiprism - Wikipedia

    en.wikipedia.org/wiki/Enneagonal_antiprism

    The German form of the word "antiprism" was used for these shapes in the 19th century; Karl Heinze credits its introduction to Theodor Wittstein [ de]. [4] Although the English "anti-prism" had been used earlier for an optical prism used to cancel the effects of a primary optimal element, [5] the first use of "antiprism" in English in its geometric sense appears to be in the early 20th century ...

  6. Lens - Wikipedia

    en.wikipedia.org/wiki/Lens

    A lens is a transmissive optical device that focuses or disperses a light beam by means of refraction. A simple lens consists of a single piece of transparent material, while a compound lens consists of several simple lenses ( elements ), usually arranged along a common axis. Lenses are made from materials such as glass or plastic and are ground, polished, or molded to the required shape. A ...

  7. Prism (Prism album) - Wikipedia

    en.wikipedia.org/wiki/Prism_(Prism_album)

    Prism is the debut album by Canadian rock band Prism, [2] released in May 1977 on the Canadian record label GRT. It was produced primarily by Bruce Fairbairn, and the majority of songs were written by Jim Vallance (who also served as co-producer on three tracks). [3] It achieved platinum status in Canada (in excess of 100,000 units sold). [4] Prism peaked at #137 on the Billboard 200 in ...

  8. Prism adaptation - Wikipedia

    en.wikipedia.org/wiki/Prism_Adaptation

    Prism adaptation is a sensory-motor adaptation that occurs after the visual field has been artificially shifted laterally or vertically. It was first introduced by Hermann von Helmholtz in late 19th-century Germany as supportive evidence for his perceptual learning theory (Helmholtz, 1909/1962). [1] Since its discovery, prism adaptation has been suggested to improve spatial deficits in ...

  9. Dichroic prism - Wikipedia

    en.wikipedia.org/wiki/Dichroic_prism

    A dichroic prism is a prism that splits light into two beams of differing wavelengths (colour). A trichroic prism assembly combines two dichroic prisms to split an image into 3 colours, typically as red, green and blue of the RGB colour model. They are usually constructed of one or more glass prisms with dichroic optical coatings that selectively reflect or transmit light depending on the ...

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